TPS3813J25DBVTG4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Precision, Low Power Consumption
• Package: SOT-23-5
• Essence: Monitoring and Resetting System
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 6.5V
• Threshold Voltage Options: 2.5V
• Accuracy Over Temperature: ±1%
• Quiescent Current: 7µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Output Type: Active-Low, Open Drain
• Power-On Reset Delay Time: 200ms (typical)

Detailed Pin Configuration

The TPS3813J25DBVTG4 IC has a SOT-23-5 package with the following pin configuration:

```

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| | | GND | |___________| | | | RESET | |___________| | | | VDD | |___________| | | | MR | |___________| | | | N/A | |___________| ```

Functional Features

• Monitors supply voltage and asserts reset when it falls below the threshold.
• Provides a power-on reset delay to ensure stable operation during power-up.
• Offers an active-low, open-drain output for easy interfacing with other devices.
• Consumes low quiescent current, making it suitable for battery-powered applications.
• Operates over a wide temperature range, enabling usage in various environments.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation. - Low power consumption extends battery life in portable devices. - Small package size allows for space-efficient designs. - Wide operating temperature range enables usage in harsh conditions.

Disadvantages: - Limited threshold voltage options may not suit all applications. - Active-low output configuration may require additional circuitry for certain interfaces.

Working Principles

The TPS3813J25DBVTG4 is a voltage supervisor IC that continuously monitors the supply voltage. When the voltage falls below the threshold (2.5V in this case), the IC asserts a reset signal to ensure proper system operation. It incorporates a power-on reset delay to prevent false resets during power-up. The active-low, open-drain output can be connected to a microcontroller or other devices for system-level control.

Detailed Application Field Plans

The TPS3813J25DBVTG4 finds application in various fields, including:

1. Battery-Powered Devices: Provides voltage monitoring and reset functionality in portable electronics such as smartphones, tablets, and wearables.
2. Industrial Control Systems: Ensures stable operation of critical equipment by monitoring the supply voltage and initiating a reset if necessary.
3. Automotive Electronics: Protects sensitive components from voltage fluctuations, enhancing the reliability of automotive systems.
4. Internet of Things (IoT): Enables efficient power management and system integrity in IoT devices, ensuring reliable data transmission.

Detailed and Complete Alternative Models

1. TPS3808G01DBVR - Similar voltage supervisor IC with adjustable threshold voltage.
2. MAX809R - Voltage monitor with push-pull output and adjustable reset threshold.
3. ADM6315 - Precision voltage monitor with watchdog timer functionality.

These alternative models offer similar features and can be considered based on specific application requirements.

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